Home / 31,775.44-43,850.10-17,631.04

Finding the Fourth Proportional to 31,775.44, 43,850.10 and 17,631.04

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Solution

The fourth proportional to 31,775.44, 43,850.10 and 17,631.04 is: 24,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,775.44 : 43,850.10 = 17,631.04 : x
  2. Step 2: Convert to fraction form
    31,775.44/43,850.10 = 17,631.04/x
  3. Step 3: Cross multiply
    31,775.44x = 43,850.10 × 17,631.04
  4. Step 4: Simplify right side
    31,775.44x = 773,122,867.10
  5. Step 5: Solve for x
    x = 773,122,867.10/31,775.44
  6. Step 6: Final answer
    x = 24,330.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.